History of Measurement

Events

The Meter is invented

1670 - 1790

The meter is invented as 1/10,000,000 of the distance from the equator to the North Pole

France was the first country to adopt the metric system

1790 - 1795

France was the first country to adopt the metric system

The Metric Act of 1866

1795 - 1866

The Metric Act of 1866 made it legal to use Metric Measurements in the United States

Metric Standards for Length & Mass Established

1866 - 1875

An international agreement known as the meter convention set up well defined metric standards for length and mass and established permanent mechanisms to recommend and adopt further refinements in the metric system.

U.S. Customary Measurements Defined

1875 - 1893

U.S. Customary Measurements are officially defined in Metric terms by the Mendanhall Order.

U.S. passes law to teach Metric System

1893 - 1974

A United States law that encourages schools to teach the Metric system passed.

Metric Conversion Act passed

1974 - 1975

The Metric Conversion Act was passed to plan for and encourage the change the Metric in the U.S